This is a suggestion for the simplification of the babbitting of crankshaft boxes, which has been used a number of times with entire satisfaction. Drill two holes about 1/4 inch from the outside end of the box and in about the position illustrated. Tap the holes for small screws. Let the shaft rest on the head of these screws, which may be adjusted until the shaft is lined up.

After lining the shaft it may be taken out of the box and warmed before pouring the babbitt, preventing the metal from being chilled and forming an uneven surface. The shaft may be replaced while warm and the babbitt poured at once, the screws insuring a perfect line-up. The screws may be removed with a screwdriver when the babbitt has been poured, or they may be left in if brass screws are used.

Fig. 121 - How to support a shaft when babbitting.